Low GPU usage is usually a symptom, not the cause, of low FPS. Your graphics card may be waiting for the CPU, a frame limiter, VSync, a power-saving mode, storage, RAM, or the game engine to deliver its next frame. A GPU does not need to sit at 99–100% for a game to be working correctly.
The fastest way to find the real problem is to check for an intentional FPS cap, then lower the resolution and GPU-heavy settings. If FPS barely changes, the problem probably is not the GPU. If FPS rises substantially, the GPU is likely the rendering limit.
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Is low GPU usage normal?
It can be. Low utilization is usually harmless when the game is maintaining your target FPS with stable frame times. Menus, indoor areas, lightweight esports games and scenes limited by the CPU may leave substantial GPU headroom.
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1Fix the driver behind crashes, sound loss and screen glitches2Clear out junk files and repair common Windows errors3Scan for outdated or missing drivers - takes under a minuteLow usage becomes a problem when it appears together with unexpectedly low FPS, severe stutter, sudden clock or power drops, or a recent performance change. Do not diagnose the system from one instantaneous utilization percentage.
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Interpret GPU usage alongside:
- Average FPS, 1% low FPS and a frame-time graph
- GPU core and memory clocks
- GPU power draw, temperature and hotspot temperature
- CPU usage on each core or thread
- System RAM and VRAM usage
- Disk activity during stutters
- In-game caps, VSync, variable refresh rate and monitor refresh rate
Tools such as NVIDIA FrameView expose several of these metrics, including 1% lows, GPU frequency, temperature, CPU utilization and dropped frames. MSI Afterburner can also provide an in-game monitoring overlay; download it only from MSI’s official page or its listed trusted source, and use tuning controls only if you understand them.
The two-minute GPU bottleneck test
- Use the same save point, benchmark, replay or map each time.
- Record FPS, 1% lows, frame time, GPU usage, GPU clock, temperature and power.
- Record CPU usage per core or thread, plus RAM, VRAM and disk activity.
- Run the scene at your normal resolution and settings.
- Lower the resolution substantially and reduce demanding options such as ray tracing, shadows and volumetric effects.
Interpret the result:
- FPS barely changes and GPU usage remains low: investigate the CPU, game engine, frame cap, synchronization, background software, RAM or storage.
- FPS rises substantially and GPU usage rises: the GPU was probably limiting performance.
- FPS rises but stutter remains: investigate shader compilation, asset streaming, CPU scheduling, storage, RAM, drivers or overlays.
- FPS stays at a round number such as 30, 60, 120 or 144: look for a cap, VSync, VRR behavior, battery mode or third-party limiter.
This controlled comparison is more useful than trying to force a particular utilization percentage.
Fix 1: Remove unintended FPS limits
A healthy GPU may run below full utilization because it has already rendered the next frame before the limiter allows another one. Check every possible limit:
- The game’s graphics or display menu
- NVIDIA Control Panel → Manage 3D settings → Max Frame Rate
- AMD Radeon Software’s frame-limiting options, where available
- RivaTuner Statistics Server (RTSS) or another third-party limiter
- VSync and the game’s refresh-rate setting
- G-SYNC or FreeSync range behavior
- Recording software, launchers and laptop gaming utilities
- NVIDIA Battery Boost, WhisperMode, silent mode or eco mode
NVIDIA documents Max Frame Rate and related power-saving limits. The setting can intentionally reduce power consumption or keep FPS within a variable-refresh-rate range.
Do not automatically disable VSync. Turning it off may introduce tearing, increase power draw and heat, and will not solve a CPU or engine bottleneck. Choose VSync, VRR and a frame cap according to whether you prioritize tear-free presentation, consistent frame pacing or minimum latency. Also verify the monitor’s actual refresh rate in Windows Settings → System → Display → Advanced display.
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Fix 2: Check for a CPU bottleneck
A game can be CPU-limited even when total CPU usage reads only 40–60%. Many games depend heavily on one or a few threads, so one logical processor may be saturated while the overall average looks moderate.
CPU limits are common in simulation-heavy games, strategy titles, large multiplayer matches, NPC-heavy scenes, open-world streaming and high-refresh-rate gaming. Typical signs include:
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- Low or fluctuating GPU usage
- FPS that changes little after lowering resolution
- Worse 1% lows in crowded or complex scenes
- GPU clock and power reductions because the GPU is waiting for work
Check CPU frequency and temperature as well. A CPU that overheats or cannot sustain its expected clock can create the same pattern. Close unnecessary background processes and retest, but do not assume that a higher total CPU percentage is required to prove a CPU bottleneck.
Reduce CPU-heavy settings such as view distance, crowd density, world detail and simulation quality. If one or more threads remain the limit across representative scenes, a CPU or platform upgrade—not a faster GPU—is the appropriate upgrade.
Fix 3: Select the correct GPU and power mode
Laptops and hybrid-graphics systems can run a game on an integrated or power-saving GPU, or restrict the discrete GPU while on battery.
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- Connect the charger.
- For testing, open Settings → System → Power & battery → Power mode and select Best performance. Microsoft notes that this can increase heat, power use and battery drain.
- Open Settings → System → Display → Graphics.
- Select the game, choose Options, and select High performance.
- Check the laptop maker’s control panel for silent, eco, battery or performance modes.
- If available, check the MUX or hybrid-graphics setting and whether the display output is connected directly to the discrete GPU.
Windows documents per-app GPU selection, although labels can vary by Windows version, language, update and manufacturer.
Fix 4: Check GPU clocks, temperature and power
Low utilization with normal clocks and a light workload can be expected. Low utilization combined with unusually low clocks or power draw points instead to a power, thermal, driver or configuration problem.
Check the GPU’s core clock, memory clock, board power, temperature and hotspot temperature while the problem occurs. There is no universal throttling temperature for every GPU; behavior varies by model, firmware, cooler and sensor.
Possible causes include:
- Thermal throttling, blocked airflow, dust or a failed fan
- A laptop battery or quiet mode
- A reduced power target left by a monitoring or overclocking utility
- Incorrectly connected PCIe power cables
- An improperly seated card
- Driver, BIOS or firmware problems
- An unstable overclock or undervolt
- A failing GPU or power supply
NVIDIA warns that some monitoring utilities can leave an unintended lower power target. Restore GPU and CPU tuning utilities to default settings before testing. Do not increase voltage or power limits as a first fix.
On a desktop, confirm that the monitor cable is plugged into the graphics card rather than the motherboard, reseat the card if necessary, verify every required power connector and remove questionable adapters. Check the PSU’s condition and compatibility for the exact hardware rather than relying on a generic wattage rule. NVIDIA’s installation guidance also identifies power, heat and incorrect installation as possible causes of reduced performance.
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Fix 5: Update or roll back drivers
Use a “what changed?” checkpoint. Did the issue begin after a GPU-driver update, Windows update, game patch, overlay, mod, recording tool, antivirus installation or graphics-setting change?
- Update the game and Windows.
- Install the current driver from NVIDIA, AMD or Intel.
- If the problem began immediately after a driver update, test the previous known-good driver.
- Temporarily disable Discord, Steam, Xbox Game Bar, NVIDIA or AMD overlays, recording software and RTSS’s overlay.
- Restore driver settings to defaults and change one option at a time.
- Verify game files and test without mods.
Intel recommends driver updates and rollback testing when a newer driver causes problems. “Latest” is not always best for every game; a regression can affect one title while others work normally.
Fix 6: Check RAM, PCIe and Resizable BAR
RAM
Check total memory, in-game RAM usage, paging activity and whether the system is operating in dual-channel mode. A single stick, insufficient capacity or heavy background memory use can worsen frame-time consistency and cause low GPU usage while the system waits on the CPU or storage.
Faster RAM helps mainly in memory-sensitive workloads and only when the platform supports it. XMP or EXPO can improve performance, but unstable memory profiles can cause crashes and stutters; return RAM to default settings during troubleshooting. Intel specifically identifies memory configuration as a possible bottleneck.
PCIe and Resizable BAR
After installing a GPU, changing a motherboard, updating BIOS or adding a riser cable, verify that the card is in the intended slot and that its PCIe link is running at the expected generation and lane width. Poor seating, a riser problem or a slower electrically limited slot can affect performance.
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Resizable BAR, and AMD’s related Smart Access Memory branding, is a platform and game-dependent performance feature rather than a guaranteed fix. Microsoft describes Resizable BAR as exposing more of the GPU framebuffer over PCIe. Verify support in firmware and the GPU control panel, and test it both enabled and disabled if symptoms began after changing it.
Independent reader supportYour contribution helps us test, update, and keep practical guides available for everyone.Shader compilation, streaming and game-engine stalls
Low GPU usage can be an effect of a hitch. During shader compilation, asset streaming or a CPU-side world-simulation stall, the game may fail to submit the next frame, leaving the GPU idle.
Look for GPU drops when entering a new area, traversing an open world or loading a crowded scene. Disk activity, CPU spikes and repeated frame-time spikes support a streaming or engine explanation. Slow or overloaded storage, corrupted files, mods, background downloads and a game-specific patch can contribute.
Separate average FPS from frame pacing. A game reporting 80 FPS can still feel poor if it repeatedly produces long frame-time spikes. Use a frame-time graph and 1% lows rather than average FPS alone.
Modern rendering settings can hide the bottleneck
Dynamic resolution may reduce GPU workload automatically. DLSS, FSR and XeSS lower internal rendering resolution, while ray tracing can dramatically change the workload. A CPU-limited game may show little improvement after lowering resolution or enabling an upscaler.
Frame generation can raise the displayed FPS without producing the same increase in traditionally rendered frames. Its displayed FPS should not be treated as equivalent to native rendered FPS for input latency or CPU performance. Evaluate frame time and latency separately.
Does the problem affect one game or every game?
- One game: reset that game’s settings, check its frame cap and mods, verify files, and look for a patch or driver compatibility issue.
- All games: prioritize GPU selection, power mode, clocks, temperatures, drivers, cabling, RAM and hardware installation.
- Only one map or area: suspect streaming, shaders, simulation load or a game-engine limitation.
- Only after a recent change: undo that change first rather than modifying unrelated settings.
When should you upgrade?
Do not buy a GPU yet merely because its utilization is below 99%. Upgrade the component supported by your measurements:
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- CPU/platform: one or more CPU threads are saturated and lowering resolution barely changes FPS.
- RAM: memory pressure, paging or single-channel operation is confirmed.
- Storage: disk activity and asset-streaming stalls correlate with frame-time spikes.
- Cooling: clocks fall as temperatures rise.
- PSU or cabling: power delivery is inadequate, unstable or incompatible with the intended card.
For example, NVIDIA announced a $299 starting price for the desktop RTX 5060 in its launch material, but that is a launch MSRP signal—not a guaranteed September 2026 street price. The official announcement should not be used to assume current availability or performance in every game. AMD’s comparison material for the RX 9060 XT is vendor-produced, and retailer price-watch figures are not official MSRP. Neither card will fix a frame cap, CPU limit, power mode or game-specific bug.
Quick Recap
Quick diagnostic table
| Observation | Likely interpretation | First action |
|---|---|---|
| Low GPU usage, stable FPS at the cap | Normal headroom | Leave it alone |
| One CPU thread near 100% | CPU or game-engine limit | Reduce CPU-heavy settings and close background tasks |
| FPS stuck at 30/60/120/144 | Cap or synchronization | Check in-game, driver, RTSS, VSync and VRR |
| Low GPU clock and power | Power, thermal, driver or tuning issue | Check modes, temperatures, cabling and defaults |
| FPS unchanged after lowering resolution | Not primarily GPU-bound | Investigate CPU, engine, cap, RAM and storage |
| GPU usage rises after increasing resolution | GPU-bound workload | Reduce GPU-heavy settings or consider a GPU upgrade |
| Stutters when entering new areas | Streaming, shader or engine issue | Check storage, shaders, patches and mods |
| Only one game is affected | Game-specific configuration or bug | Reset settings and check updates |
| All games are affected after GPU installation | Hardware, driver, power or wrong-GPU issue | Verify installation, drivers, power and GPU selection |
Final checklist
- Reproduce the issue in the same scene.
- Record FPS, 1% lows, frame time, clocks, temperatures, power and CPU-per-core usage.
- Check in-game, driver and third-party frame caps.
- Test VSync and VRR deliberately rather than disabling them automatically.
- Lower resolution and GPU-heavy settings to classify the bottleneck.
- Check CPU clocks, temperatures, RAM configuration and background processes.
- On laptops, plug in power and select the intended high-performance GPU.
- Reset overclocks, undervolts and reduced power targets.
- Update or roll back the driver if the problem follows a driver change.
- Check overlays, mods, storage activity, PCIe link status and Resizable BAR.
- Upgrade only the component that the tests show is limiting performance.
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